Guarantees and Other Commitments and Contingencies Letters of Credit (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2012
Guarantor Obligations [Line Items]
Letters of Credit Outstanding, Amount	$ 20,601

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant